Form, Structure, and Sense: Agreement and Usage

SAT Reading and Writing· difficulty 3/5

In 1985, the geologists ______ a previously unknown fault line running beneath the densely populated region.

Which choice completes the text so that it conforms to the conventions of Standard English?

  • A

    have discovered

  • B

    discovered

    check_circle
  • C

    had discovered

  • D

    discover

Explanation

A specific past year ("1985") requires simple past "discovered."

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